73181500 under HS Code SCREWS, BOLTS, NUTS, COACH-SCREWS, SCREW HOOKS, RIVETS, COTTERS, COTTER-PINS, WASHERS (INCLUDING SPRING WASHERS) AND SIMILAR ARTICLES, OF IRON OR STEEL - THREADED ARTICLES : OTHER SCREWS AND BOLTS, WHETHER OR NOT WITH THEIR NUTS OR WASHERS, 73072300 under HS Code TUBE OR PIPE FITTINGS (FOR EXAMPLE, COUPLINGS, ELBOWS, SLEEVES), OF IRON OR STEEL - OTHER, OF STAINLESS STEEL : BUTT WELDING FITTINGS, and 72222012 under HS Code OTHER BARS AND RODS OF STAINLESS STEEL; ANGLES, SHAPES AND SECTIONS OF STAINLESS STEEL - BARS AND RODS, NOT FURTHER WORKED THAN COLD FORMED OR COLD-FINISHED : BRIGHT BARS : NICKEL CHROMIUM AUSTENITIC TYPE. were the top exported HS Codes by FERROBEND in 2023.